FORENSIC PSYCHOLOGY involves the application of psychological knowledge, theory and skills to the understanding and functioning of the legal and criminal justice system. Forensic psychology encompasses psychology and the law, the psychology of police and policing, corrections, parole, victim services. br Forensic psychologists may prepare psychological reports for the court or parole bodies, appear as expert witnesses, provide consultation to police , carry out research (eg into offending behaviour, witness studies, jury behaviour) and provide assessment and treatment in forensic settings.br A Forensic Psychologist testifies to Mens Rea-guilty condition of mind,neurosis,psychosis,affective disorders ,crimes of passion,hurt,sustained provocation,grave and sudden provocation on account of mitigating circumstances,psychological autopsies to suicide,criminal profiling and relevant conditions of precipitating psychological factors to crime on the basis of books authentic web search.